US9327577B2 - Vehicle heat pump system and method utilizing thermal storage - Google Patents
Vehicle heat pump system and method utilizing thermal storage Download PDFInfo
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- US9327577B2 US9327577B2 US13/750,421 US201313750421A US9327577B2 US 9327577 B2 US9327577 B2 US 9327577B2 US 201313750421 A US201313750421 A US 201313750421A US 9327577 B2 US9327577 B2 US 9327577B2
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- coolant
- heat
- refrigerant
- heat exchanger
- thermal storage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00899—Controlling the flow of liquid in a heat pump system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/02—Compression machines, plants or systems, with several condenser circuits arranged in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00807—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a specific way of measuring or calculating an air or coolant temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H2001/00307—Component temperature regulation using a liquid flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H2001/00949—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising additional heating/cooling sources, e.g. second evaporator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/047—Water-cooled condensers
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- F25B2341/0662—
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/24—Storage receiver heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
Definitions
- the disclosure relates to a vehicle heat pump system and method, which utilizes thermal storage to provide heat to the vehicle passenger compartment.
- Hybrid electric vehicles selectively use an internal combustion engine as a source of input torque to a transmission, alone or in conjunction with the traction motor(s), while extended-range electric vehicles (EREV) use a smaller engine only when needed, and solely to power an electric generator.
- Battery electric vehicles forego use of the small gas engine, and instead operate using stored electrical energy or regenerative braking energy. All three vehicle configurations can operate solely on electricity in what is referred to as an electric vehicle (EV) mode.
- a Rechargeable Energy Storage System is used to alternatively store and deliver the substantial amounts of electrical energy needed for driving the fraction motor(s).
- the RESS may consist of a battery pack having multiple battery modules each containing multiple cylindrical or flat/tabular battery cells.
- the battery pack generates heat in operation. Effectively dissipating the generated heat is essential to optimizing vehicle performance.
- thermal management systems are used in conjunction with battery packs to circulate a volume of a suitable cooling fluid through the battery pack and any associated power electronics and to circulate another suitable cooling fluid through an active cooling circuit to control the temperature of the passenger compartment.
- a heat pump system for use in a vehicle having a passenger compartment, and a battery pack.
- the vehicle may have an active electric drive state in EV mode and an inactive state.
- the heat pump system may include a thermal storage medium configured to store heat produced during the inactive state and/or heat actively added using a heater.
- the heat stored by the thermal storage medium during the vehicle charge event may be transmitted from the thermal storage medium to the passenger compartment via the heat pump system during the active electric drive state, which includes cabin pre-conditioning prior to driving.
- the heat pump system may further include a first coolant circuit, a refrigeration circuit, and a second coolant circuit.
- the first coolant circuit may be configured to circulate a first coolant to absorb heat from a thermal storage medium, which has a thermal capacity exchangeable with a fluid medium.
- the refrigeration circuit may be configured to circulate refrigerant to absorb heat from the first coolant via a first heat exchanger.
- the second coolant circuit may be configured to circulate a second coolant to absorb heat from the refrigerant via a second heat exchanger and heat the passenger compartment.
- the thermal storage medium may be any device capable of thermal storage.
- the thermal storage medium may, for example, be one of a Rechargeable Energy Storage System (RESS) housing the battery pack; an RESS housing power electronics; a phase change material positioned about and used as insulation around the battery pack; or a box of phase change material alone.
- RES Rechargeable Energy Storage System
- a method for providing heat to a vehicle passenger compartment is also provided.
- the method may include the steps of: storing heat in a thermal storage medium during an inactive state; and transferring heat from the thermal storage medium to the vehicle passenger compartment to heat the vehicle passenger compartment during active electric drive state, which includes cabin pre-conditioning prior to driving.
- Transferring heat from the thermal storage medium to the vehicle passenger compartment may include the steps of: absorbing the heat stored in the thermal storage medium with a first coolant circulated through a first coolant circuit; exchanging heat between the first coolant and a refrigerant with a first heat exchanger; transferring heat from the refrigerant to a second coolant with a second heat exchanger, the second coolant circulated through a second coolant circuit; circulating the second coolant through a heater core; and transferring heat from the second coolant and the heater core to the air flowing across the heater core and into the vehicle passenger compartment to heat the vehicle passenger compartment.
- FIG. 1 is a schematic diagram of the vehicle heat pump system having a thermal storage medium.
- FIG. 2 is a schematic diagram of the vehicle heat pump system wherein the thermal storage medium is an RESS.
- FIG. 3 is a schematic diagram of the vehicle heat pump system wherein the thermal storage medium is a phase change material.
- FIG. 4 is a flow chart depicting the steps of the method of providing heat to a vehicle passenger compartment in Electric Vehicle (EV) Mode.
- EV Electric Vehicle
- FIG. 5 is a flow chart detailing the steps necessary to transfer heat from the thermal storage medium to the vehicle passenger compartment.
- a heat pump system 101 for use in a vehicle 100 to heat the passenger compartment 102 utilizing thermal storage is provided.
- the vehicle 100 may include the heat pump system 101 , the passenger compartment 102 , an engine 119 , and a battery pack 104 .
- the vehicle 100 may be a hybrid or extended-range electric vehicle having a hybrid operating mode and an EV operating mode. In hybrid mode, the vehicle 100 operates using both electric power and power from the engine 119 . In EV mode, the vehicle operates solely on electricity.
- the vehicle 100 may have two states: an inactive state, wherein the vehicle 100 is turned off and wherein the electric power source of the vehicle 100 is being recharged or has reached a level of full electric charge, and an active drive state wherein the vehicle depletes the electric power sources to propel and drive the vehicle in EV mode.
- the electric power source may include a simple battery pack 104 or an RESS in conjunction with a high voltage battery 104 , or another similar electrical power source.
- the heat pump system 101 may include a thermal storage medium 103 , a first coolant circuit 105 , a refrigeration circuit 106 , and a second coolant circuit 107 .
- the thermal storage medium 103 may store heat during the inactive state. Heat stored in the thermal storage medium 103 may include waste heat from the battery pack 104 or heat actively added using a heater 109 .
- the heat pump system 101 may transfer the heat stored within the thermal storage medium 103 to the passenger compartment 102 of the vehicle 100 via the first coolant circuit 105 , the refrigeration circuit 106 , and the second coolant circuit 107 during the active drive state.
- the first coolant circuit 105 may circulate a first coolant via a first coolant pump 128 .
- the first coolant circuit 105 may include a heater 109 , the thermal storage medium 103 , and a first heat exchanger 108 .
- the heater 109 may be configured to warm the first coolant and direct the first coolant through the thermal storage medium 103 to absorb the heat stored therein during the inactive state. The coolant may then be directed to the first heat exchanger 108 .
- the first heat exchanger 108 may include a first coolant cavity 121 and a refrigerant cavity 122 .
- the first heat exchanger 108 may be configured to exchange heat between the first coolant flowing through the first coolant cavity 121 and the refrigerant, circulated by the refrigeration circuit 106 , flowing through the first refrigerant cavity 122 .
- the first heat exchanger 108 may be configured to exchange heat between the first coolant and a refrigerant circulated by the refrigeration circuit 106 .
- the first heat exchanger 108 may be a chiller that may function as an evaporator to dissipate heat from the first coolant to the refrigerant.
- the thermal storage medium 103 may be any device capable of thermal storage.
- the thermal storage medium 103 may, for example, be one of a Rechargeable Energy Storage System (RESS) housing the battery pack (shown as 104 in FIG. 2 ); an RESS housing power electronics; a phase change material positioned about and used as insulation around the battery pack (as shown in FIG. 3 ); or a phase change material alone.
- RESS Rechargeable Energy Storage System
- the thermal storage medium 103 may be a Rechargeable Energy Storage System (RESS), which houses a liquid cooled battery 104 .
- the liquid cooled battery 104 gives off a significant amount of heat in the inactive state. This heat may be stored within the thermal storage medium/RESS 103 and transferred to the vehicle passenger compartment 102 , during the EV active drive state, to heat the passenger compartment 102 .
- the heat stored in the thermal storage medium 103 may be transferred to the passenger compartment 102 via the first coolant circuit 105 , which circulates a first coolant through the RESS 103 to absorb heat from the vehicle battery 104 .
- the thermal storage medium 103 is a phase change material positioned about the vehicle battery 104 .
- the phase change material may be one of an eutectic, salt hydrate, and other organic material such as waxes, oils, fatty acids and polyglycols or the like.
- the liquid cooled battery 104 gives off a significant amount of heat in the inactive state. This heat may be stored within the thermal storage medium/phase change material 103 and transferred to the vehicle passenger compartment 102 during the EV active drive state, to heat the passenger compartment 102 .
- the heat stored in the thermal storage medium 103 may be transferred to the passenger compartment 102 via the first coolant circuit 105 , which circulates a first coolant through the phase change material 103 to absorb heat therefrom.
- the heat pump system further includes the refrigeration circuit 106 configured to circulate refrigerant and to dehumidify the passenger compartment 102 and the second coolant circuit 107 configured to circulate a second coolant to heat the passenger compartment 102 .
- the refrigeration circuit 106 may include a compressor 110 , the first heat exchanger 108 , a second heat exchanger 111 , a first expansion device 114 , a second expansion device 115 , and a third heat exchanger 116 .
- the compressor 110 may be configured to compress the refrigerant.
- the compressor 110 may be driven by an electric motor (not shown), which may be of the single or variable speed variety.
- the compressor 110 may also be a pump driven by a belt connected to the propulsion system (not shown).
- the compressor 110 may be further configured to receive refrigerant gas from one of the first heat exchanger 108 and the third heat exchanger 116 .
- the compressor 110 may pressurize the refrigerant gas into a high-pressure state and expel compressed refrigerant gas to the second heat exchanger 111 .
- the second heat exchanger 111 may include a refrigerant cavity 112 and a second coolant cavity 113 .
- the second heat exchanger 111 may be a refrigerant-to-coolant heat pump condenser configured to cool and condense the refrigerant and exchange heat between the refrigerant flowing through the refrigerant cavity 112 and the second coolant flowing through the second coolant cavity 113 .
- the second heat exchanger 111 may receive refrigerant from the compressor 110 and the second coolant from one of a bypass valve 118 and an engine 119 .
- the second heat exchanger 111 may extract heat from the pressurized refrigerant gas as it flows through the refrigerant cavity 112 to the extent that the pressurized refrigerant gas is cooled and condensed to a point at which it is reclaimed into a liquid state.
- the heat extracted from the refrigerant as it flows through the second refrigerant cavity 112 may be transferred to the second coolant flowing through the second coolant cavity 113 .
- the second heat exchanger 111 may be further configured to expel refrigerant from the refrigerant cavity 112 through the refrigeration circuit 106 to one of the first expansion device 114 and the second expansion device 115 .
- the second heat exchanger 111 may also be configured to expel the second coolant from the second coolant cavity 113 to a coolant heater core 117 within the second coolant circuit 107 as described herein below.
- the refrigeration circuit 106 may also include a fourth heat exchanger 123 , to be utilized in lieu of the second heat exchanger 111 .
- the fourth heat exchanger 123 may be a refrigerant-to-air condenser.
- the fourth heat exchanger 123 may receive pressurized refrigerant gas from the compressor 110 and may cool and condense the pressurized refrigerant gas as it flows therethrough, to the extent that the pressurized refrigerant gas is cooled and condensed to a point at which it is reclaimed into a liquid state. In such an instance, the fourth heat exchanger 123 may expel refrigerant to one of the first expansion device 114 and the second expansion device 115 .
- the first expansion device 114 and the second expansion device 115 of the refrigeration circuit 106 may be configured to receive refrigerant from the refrigerant cavity 112 of the second heat exchanger 111 and be further configured to allow the refrigerant to cool and expand.
- the first and second expansion devices 114 , 115 may allow the high pressure liquid refrigerant to expand, reducing the pressure of the refrigerant as it exits the first and second expansion devices 114 , 115 .
- the first and second expansion devices 114 , 115 may be further configured to control and selectively distribute refrigerant to each of the respective first heat exchanger 108 functioning as a heat pump evaporator and the third heat exchanger 116 acting as a compartment evaporator, at a significantly reduced pressure.
- the first and second expansion devices 114 , 115 may be thermostatic or thermal expansion valves, and may be configured to hold a constant evaporator superheat state as the refrigerant enters one of the first heat exchanger 108 and the third heat exchanger 116 .
- Each of the respective first expansion device 114 and second expansion device 115 may be either electronic or mechanical.
- the first and second expansion devices 114 , 115 may monitor, such as with a sensor or a bulb, the temperature of the refrigerant leaving either the first heat exchanger 108 and the third heat exchanger 116 , and may improve the performance of the heat exchange by letting additional or less refrigerant into the first and third heat exchangers 108 , 116 .
- the first expansion device 114 may be configured to receive refrigerant from the refrigerant cavity 112 of the second heat exchanger 111 and allow the refrigerant to cool and expand. If cooling of the passenger compartment 102 is required, the first expansion device 114 may be configured to receive refrigerant from the fourth heat exchanger 123 and allow the refrigerant to cool and expand.
- the first expansion device 114 may be further configured to expel refrigerant to the refrigerant cavity 122 of the first heat exchanger 108 .
- the first heat exchanger 108 configured to exchange heat between the first coolant and a refrigerant circulated by the refrigeration circuit 106 and expel the refrigerant back to the compressor 110 to complete the refrigeration circuit 106 .
- the second expansion device 115 may be configured to receive refrigerant from the refrigerant cavity 112 of the second heat exchanger 111 and allow the refrigerant to cool and expand. If cooling of the passenger compartment is required, the second expansion device 115 may be configured to receive refrigerant from the fourth heat exchanger 123 and allow the refrigerant to cool and expand.
- the second expansion device 115 may be further configured to expel refrigerant to the third heat exchanger 116 , acting as a compartment evaporator.
- the third heat exchanger 116 may be configured to exchange heat from the refrigerant flowing through the third heat exchanger 116 to the air flowing across the third heat exchanger 116 and into the passenger compartment 102 to cool and dehumidify the passenger compartment 102 .
- the third heat exchanger 116 may be further configured to receive refrigerant from the second expansion device 115 and expel refrigerant back to the compressor 110 to complete the refrigeration circuit 106 .
- the refrigeration circuit may also include a plurality of flow control valves 124 , 125 , 126 , 127 to control the flow of and selectively distribute refrigerant throughout the refrigeration circuit 106 of the heat pump system 101 based on the heating, cooling, and dehumidification requirements of the passenger compartment 102 .
- the second coolant circuit 107 may circulate a second coolant via a second coolant pump 129 .
- the second coolant circuit 107 may include a heater core 117 , the second heat exchanger 111 , a bypass valve 118 , and the vehicle engine 119 .
- the second heat exchanger 111 may include the refrigerant cavity 112 and the second coolant cavity 113 as described herein above.
- the second heat exchanger 111 may be a refrigerant-to-coolant heat pump condenser configured to cool and condense the refrigerant and exchange heat between the refrigerant flowing through the refrigerant cavity 112 and the second coolant flowing through the second coolant cavity 113 .
- the second heat exchanger 111 may receive refrigerant from the compressor 110 within the refrigerant loop 106 and the second coolant from one of a bypass valve 118 and an engine 119 within the second coolant circuit 107 .
- the bypass valve 118 may be a three-way, two-position valve and may be configured to direct flow of the second coolant from the second heat exchanger 111 to one of the second heat exchanger 111 and the vehicle engine 119 .
- the bypass valve 118 will direct coolant flow to bypass the engine 119 and expel the second coolant directly to the second heat exchanger 111 to warm the passenger compartment 102 .
- the bypass valve 118 may direct all flow of the second coolant to the vehicle engine 119 , to utilize engine waste heat to heat the passenger compartment 102 wherein the engine 119 will then expel warmed second coolant to the second heat exchanger 111 to warm the passenger compartment 102 .
- the second heat exchanger 111 may further extract heat from the pressurized refrigerant gas as it flows through the refrigerant cavity 112 to the extent that the pressurized refrigerant gas is cooled and condensed to a point at which it is reclaimed into a liquid state.
- the heat extracted from the refrigerant as it flows through the refrigerant cavity 112 may be transferred to the second coolant flowing through the second coolant cavity 113 .
- the second heat exchanger 111 may be further configured to expel the second coolant from the second coolant cavity 113 to the coolant heater core 117 .
- the coolant heater core 117 may be configured to receive the second coolant from the second heat exchanger 111 .
- the heater core 117 may be further configured to heat air flowing across and dehumidified by the third heat exchanger 116 .
- the heater core 117 may warm the air flowing thereacross and into the passenger compartment 102 with the warmed second coolant flowing therethrough, to heat the passenger compartment 102 .
- the heat pump system 101 After the air flowing across the heater core 117 is heated thereby via the warmed second coolant, the heat pump system 101 has effectively transferred the heat stored in the thermal storage medium 103 to the first coolant flowing through the first coolant circuit 105 , to the refrigerant flowing through the refrigerant circuit 106 , to the second coolant flowing through the second coolant circuit 107 , and finally to the passenger compartment 102 , to warm the passenger compartment 102 .
- the first coolant circuit 105 , the refrigeration circuit 106 , and the second coolant circuit 107 may be controlled by at least one control module 120 , which may be configured to communicate with the first coolant pump 128 , the compressor 110 , and the second coolant pump 129 .
- the at least one control module 120 may further be configured to communicate with the first expansion device 114 and the second expansion device 115 ; the plurality of flow control valves 124 , 125 , 126 , 127 ; and other subsystems through at least one electrical connection.
- Utilizing thermal storage within the thermal storage medium 103 to heat the vehicle passenger compartment 102 allows hybrid and extended-range electric vehicles to operate more efficiently in EV mode in colder ambient temperatures because the vehicle will utilize this stored energy rather than requiring the engine 119 to burn gasoline or fuel to heat the passenger compartment 102 in cold ambient temperatures. Additionally, utilizing the heat pump system 101 which has the capabilities to transfer and utilize heat stored in a thermal storage medium 103 to heat the passenger compartment 102 , allows hybrid and extended-range electric vehicles to operate in heat pump mode in extremely cold ambient temperatures as low as ⁇ 40° C.
- a method for providing heat to a vehicle passenger compartment 102 is also provided in conjunction with the structure of the example vehicle 100 shown in FIGS. 1 and 2 .
- the present method (shown in flow chart form at 200 ) may be beneficially used to heat a passenger compartment 102 of a vehicle 100 having an active electric drive state and an inactive state.
- the method may include the steps 201 and 202 shown in FIG. 4 .
- the heat pump system 101 stores heat in a thermal storage medium 103 during the inactive state.
- the thermal storage medium 103 may be a Rechargeable Energy Storage System (RESS), which houses a liquid cooled battery 104 .
- the liquid cooled battery 104 gives off a significant amount of heat during the inactive state and/or heat actively added to the battery using a heater 109 .
- the thermal storage medium 103 may also be a phase change material positioned about the vehicle battery 104 and capable of absorbing the heat given off by the battery 104 during the inactive state.
- the heat pump system 101 may transfer heat from the thermal storage medium 103 to the vehicle passenger compartment 102 during the active electric drive state in EV mode. Heat is transferred via the first coolant circuit 105 , the refrigeration circuit 106 , and the second coolant circuit 107 .
- Step 202 transferring heat from the thermal storage medium 103 to the vehicle passenger compartment 102 , may include several sub-steps 301 - 305 , shown in FIG. 5 .
- the first coolant circuit 105 circulates a first coolant through the thermal storage medium 103 to allow the first coolant to absorb the heat stored within the thermal storage medium 103 .
- the first coolant is then directed from the thermal storage medium 103 to the first heat exchanger 108 .
- the first heat exchanger 108 absorbs and exchanges the heat from the thermal storage medium 103 to the first coolant and from the first coolant to a refrigerant being circulated through the refrigeration circuit 106 .
- the refrigerant is then directed though the refrigeration circuit 106 and on to the second heat exchanger 111 .
- the second heat exchanger 111 exchanges the heat from the thermal storage medium 103 now present in the refrigerant to the second coolant being circulated through a second coolant circuit 107 .
- the second coolant is then directed though the second coolant circuit 107 and on to the heater core 117 .
- the heat stored by the thermal storage medium 103 is transferred from the second coolant and the heater core 117 to the air flowing across the heater core 117 and into the vehicle passenger compartment 102 , to heat the vehicle passenger compartment 102 .
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Abstract
Description
Claims (17)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US13/750,421 US9327577B2 (en) | 2013-01-25 | 2013-01-25 | Vehicle heat pump system and method utilizing thermal storage |
DE102014100555.4A DE102014100555B4 (en) | 2013-01-25 | 2014-01-20 | HEAT PUMP SYSTEM FOR USE IN A VEHICLE |
CN201410037335.0A CN103963605B (en) | 2013-01-25 | 2014-01-26 | Vehicle heat pump system and the method utilizing accumulation of heat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US13/750,421 US9327577B2 (en) | 2013-01-25 | 2013-01-25 | Vehicle heat pump system and method utilizing thermal storage |
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US20140208789A1 US20140208789A1 (en) | 2014-07-31 |
US9327577B2 true US9327577B2 (en) | 2016-05-03 |
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US13/750,421 Active 2033-10-03 US9327577B2 (en) | 2013-01-25 | 2013-01-25 | Vehicle heat pump system and method utilizing thermal storage |
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US (1) | US9327577B2 (en) |
CN (1) | CN103963605B (en) |
DE (1) | DE102014100555B4 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120247117A1 (en) * | 2011-03-29 | 2012-10-04 | Steven Gagne | Vehicle system |
US11572003B2 (en) | 2017-02-02 | 2023-02-07 | Lg Electronics Inc. | Refrigerator for vehicle and vehicle |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6020550B2 (en) * | 2014-12-26 | 2016-11-02 | ダイキン工業株式会社 | Thermal storage air conditioner |
US9944150B2 (en) | 2015-06-03 | 2018-04-17 | Borgwarner Inc. | HVAC systems for electrically-powered vehicles |
US10471803B2 (en) * | 2016-01-27 | 2019-11-12 | Ford Global Technologies, Llc | Systems and methods for thermal battery control |
CN106099256B (en) * | 2016-06-12 | 2019-04-30 | 广州海德汽配有限公司 | A kind of electric vehicle energy storage type heat management system |
US10532632B2 (en) | 2016-06-30 | 2020-01-14 | Emerson Climate Technologies, Inc. | Startup control systems and methods for high ambient conditions |
US10300766B2 (en) * | 2016-06-30 | 2019-05-28 | Emerson Climate Technologies, Inc. | System and method of controlling passage of refrigerant through eutectic plates and an evaporator of a refrigeration system for a container of a vehicle |
US10569620B2 (en) | 2016-06-30 | 2020-02-25 | Emerson Climate Technologies, Inc. | Startup control systems and methods to reduce flooded startup conditions |
US10328771B2 (en) | 2016-06-30 | 2019-06-25 | Emerson Climated Technologies, Inc. | System and method of controlling an oil return cycle for a refrigerated container of a vehicle |
US10562377B2 (en) | 2016-06-30 | 2020-02-18 | Emerson Climate Technologies, Inc. | Battery life prediction and monitoring |
US10828963B2 (en) | 2016-06-30 | 2020-11-10 | Emerson Climate Technologies, Inc. | System and method of mode-based compressor speed control for refrigerated vehicle compartment |
US10414241B2 (en) | 2016-06-30 | 2019-09-17 | Emerson Climate Technologies, Inc. | Systems and methods for capacity modulation through eutectic plates |
US10315495B2 (en) | 2016-06-30 | 2019-06-11 | Emerson Climate Technologies, Inc. | System and method of controlling compressor, evaporator fan, and condenser fan speeds during a battery mode of a refrigeration system for a container of a vehicle |
CN107639993B (en) * | 2016-07-21 | 2021-12-14 | 杭州三花研究院有限公司 | Thermal management system |
CN106314073B (en) * | 2016-08-31 | 2018-11-02 | 中车青岛四方机车车辆股份有限公司 | Separate type mounted air conditioner system based on phase change energy storage technology |
CN106218357B (en) * | 2016-08-31 | 2019-03-05 | 中车青岛四方机车车辆股份有限公司 | Combined type phase-change accumulation energy mounted air conditioner system and intelligent control method |
CN106274367B (en) * | 2016-08-31 | 2019-03-05 | 中车青岛四方机车车辆股份有限公司 | Separated phase transition energy storage mounted air conditioner system intelligent control method |
US10017030B2 (en) * | 2016-09-27 | 2018-07-10 | Hanon Systems | Efficient transfer of heat to passenger cabin |
GB2555475B (en) * | 2016-10-31 | 2019-12-18 | Williams Advanced Engineering Ltd | A heating and cooling system for an electric vehicle |
KR101846908B1 (en) * | 2016-10-31 | 2018-04-10 | 현대자동차 주식회사 | Heat pump system for vehicle |
US10350967B2 (en) | 2017-03-21 | 2019-07-16 | Hyundai Motor Company | Heat pump system for a vehicle |
US10315493B2 (en) | 2017-06-27 | 2019-06-11 | Hyundai Motor Company | HVAC system for a vehicle and method of use |
GB201802814D0 (en) * | 2018-02-21 | 2018-04-04 | Univ Birmingham | Vehicle charging |
EP3833917B1 (en) * | 2018-08-06 | 2024-01-10 | Carrier Corporation | Transport refrigeration unit |
US11065936B2 (en) * | 2018-08-10 | 2021-07-20 | GM Global Technology Operations LLC | Vehicle thermal system architecture |
KR20200045727A (en) * | 2018-10-23 | 2020-05-06 | 현대자동차주식회사 | Heat pump system for vehicle |
JP2020079679A (en) * | 2018-11-13 | 2020-05-28 | Nok株式会社 | Thermal management system |
DE102019120719B3 (en) * | 2019-07-31 | 2020-09-24 | Faiveley Transport Leipzig Gmbh & Co. Kg | Air conditioning system for a rail vehicle with a cold storage unit and method for operating such an air conditioning system |
CN110397522B (en) * | 2019-08-01 | 2024-04-09 | 合肥丰蓝电器有限公司 | Vehicle-mounted fuel heating system with stepless adjustable heating capacity |
CN112455288B (en) * | 2020-12-24 | 2022-03-22 | 浙江吉利控股集团有限公司 | Thermal management system of extended-range hybrid electric vehicle |
CN113085484B (en) * | 2021-04-28 | 2023-09-08 | 全球能源互联网欧洲研究院 | Air conditioner heat pump system and electric automobile with same |
CN114285053A (en) * | 2021-11-11 | 2022-04-05 | 华为数字能源技术有限公司 | Energy storage charging station |
Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4233960A (en) * | 1978-07-21 | 1980-11-18 | Johnson Steven A | Heat storage apparatus and method |
GB2125156A (en) | 1982-08-12 | 1984-02-29 | Ford Motor Co | Heat storage in motor vehicles |
US5291960A (en) * | 1992-11-30 | 1994-03-08 | Ford Motor Company | Hybrid electric vehicle regenerative braking energy recovery system |
GB2289976A (en) | 1994-06-04 | 1995-12-06 | Rover Group | Cooling system for battery uses phase change material in hollow container as cooling element between adjacent cell monoblocks |
US6862892B1 (en) * | 2003-08-19 | 2005-03-08 | Visteon Global Technologies, Inc. | Heat pump and air conditioning system for a vehicle |
US20050167169A1 (en) * | 2004-02-04 | 2005-08-04 | Gering Kevin L. | Thermal management systems and methods |
US20050210903A1 (en) * | 2004-03-25 | 2005-09-29 | Taylor Made Environmental, Inc. | HVAC system for truck sleepers |
KR20070027902A (en) | 2005-08-30 | 2007-03-12 | 양경준 | Hybrid electroconductive hydrogel phase change material heating and cold starting prevention system |
US20070175230A1 (en) * | 2006-02-01 | 2007-08-02 | Plummer Lew E | Vehicle interior cooling system |
US20090031749A1 (en) * | 2007-05-30 | 2009-02-05 | Denso Corporation | Refrigeration apparatus with exhaust heat recovery device |
US20100012295A1 (en) * | 2008-07-21 | 2010-01-21 | Gm Global Technology Operations, Inc. | Vehicle HVAC and RESS Thermal Management |
DE102009019607A1 (en) | 2009-04-30 | 2010-11-04 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle e.g. hybrid vehicle, has air-conditioning device that is operated to heat or cool passenger compartment for maintaining actual temperature of compartment within predetermined temperature range |
EP2258571A1 (en) | 2009-06-05 | 2010-12-08 | Valeo Systèmes Thermiques | Heat exchange device and thermal management system |
US20120082871A1 (en) * | 2010-09-30 | 2012-04-05 | Gm Global Technology Operations, Inc. | Thermal Management Controls for a Vehicle Having a Rechargeable Energy Storage System |
DE102010048853A1 (en) | 2010-10-19 | 2012-04-19 | Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) | Air conditioning system for a motor vehicle and method for operating an air conditioning system of a motor vehicle |
US20120327596A1 (en) | 2011-06-22 | 2012-12-27 | Melinda Anderson-Straley | Thermal management system using a phase-change material for vehicle with electric traction motor |
CN102856609A (en) | 2011-07-01 | 2013-01-02 | 通用汽车环球科技运作有限责任公司 | Liquid coolant with microencapsulated phase change materials for automotive batteries |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5860361B2 (en) | 2012-08-13 | 2016-02-16 | カルソニックカンセイ株式会社 | Thermal management system for electric vehicles |
US9618242B2 (en) | 2013-01-16 | 2017-04-11 | GM Global Technology Operations LLC | Method for controlling a thermal storage heat pump system |
-
2013
- 2013-01-25 US US13/750,421 patent/US9327577B2/en active Active
-
2014
- 2014-01-20 DE DE102014100555.4A patent/DE102014100555B4/en active Active
- 2014-01-26 CN CN201410037335.0A patent/CN103963605B/en active Active
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4233960A (en) * | 1978-07-21 | 1980-11-18 | Johnson Steven A | Heat storage apparatus and method |
GB2125156A (en) | 1982-08-12 | 1984-02-29 | Ford Motor Co | Heat storage in motor vehicles |
US5291960A (en) * | 1992-11-30 | 1994-03-08 | Ford Motor Company | Hybrid electric vehicle regenerative braking energy recovery system |
GB2289976A (en) | 1994-06-04 | 1995-12-06 | Rover Group | Cooling system for battery uses phase change material in hollow container as cooling element between adjacent cell monoblocks |
US6862892B1 (en) * | 2003-08-19 | 2005-03-08 | Visteon Global Technologies, Inc. | Heat pump and air conditioning system for a vehicle |
US20050167169A1 (en) * | 2004-02-04 | 2005-08-04 | Gering Kevin L. | Thermal management systems and methods |
US20050210903A1 (en) * | 2004-03-25 | 2005-09-29 | Taylor Made Environmental, Inc. | HVAC system for truck sleepers |
KR20070027902A (en) | 2005-08-30 | 2007-03-12 | 양경준 | Hybrid electroconductive hydrogel phase change material heating and cold starting prevention system |
US20070175230A1 (en) * | 2006-02-01 | 2007-08-02 | Plummer Lew E | Vehicle interior cooling system |
US20090031749A1 (en) * | 2007-05-30 | 2009-02-05 | Denso Corporation | Refrigeration apparatus with exhaust heat recovery device |
US20100012295A1 (en) * | 2008-07-21 | 2010-01-21 | Gm Global Technology Operations, Inc. | Vehicle HVAC and RESS Thermal Management |
DE102009019607A1 (en) | 2009-04-30 | 2010-11-04 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle e.g. hybrid vehicle, has air-conditioning device that is operated to heat or cool passenger compartment for maintaining actual temperature of compartment within predetermined temperature range |
EP2258571A1 (en) | 2009-06-05 | 2010-12-08 | Valeo Systèmes Thermiques | Heat exchange device and thermal management system |
US20120082871A1 (en) * | 2010-09-30 | 2012-04-05 | Gm Global Technology Operations, Inc. | Thermal Management Controls for a Vehicle Having a Rechargeable Energy Storage System |
DE102010048853A1 (en) | 2010-10-19 | 2012-04-19 | Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) | Air conditioning system for a motor vehicle and method for operating an air conditioning system of a motor vehicle |
US20120090806A1 (en) | 2010-10-19 | 2012-04-19 | GM Global Technology Operations LLC | Air-conditioning system for an automobile and method for operating an air-conditioning system of an automobile |
US20120327596A1 (en) | 2011-06-22 | 2012-12-27 | Melinda Anderson-Straley | Thermal management system using a phase-change material for vehicle with electric traction motor |
CN102856609A (en) | 2011-07-01 | 2013-01-02 | 通用汽车环球科技运作有限责任公司 | Liquid coolant with microencapsulated phase change materials for automotive batteries |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120247117A1 (en) * | 2011-03-29 | 2012-10-04 | Steven Gagne | Vehicle system |
US9534537B2 (en) * | 2011-03-29 | 2017-01-03 | Rolls-Royce North American Technologies Inc. | Phase change material cooling system for a vehicle |
US10358977B2 (en) | 2011-03-29 | 2019-07-23 | Rolls-Royce North American Technologies Inc. | Phase change material cooling system for a vehicle |
US11572003B2 (en) | 2017-02-02 | 2023-02-07 | Lg Electronics Inc. | Refrigerator for vehicle and vehicle |
US11993191B2 (en) | 2017-02-02 | 2024-05-28 | Lg Electronics Inc. | Refrigerator for vehicle and vehicle |
Also Published As
Publication number | Publication date |
---|---|
CN103963605A (en) | 2014-08-06 |
DE102014100555B4 (en) | 2023-05-17 |
CN103963605B (en) | 2016-08-17 |
DE102014100555A1 (en) | 2014-07-31 |
US20140208789A1 (en) | 2014-07-31 |
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